At the door (pro thn quran). At the door of Peter's house. The whole city was gathered together there (n episungmen, past perfect passive periphrastic indicative, double compound epi and sun). Mark alone mentions this vivid detail. He is seeing with Peter's eyes again. Peter no doubt watched the beautiful scene with pride and gratitude as Jesus stood in the door and healed the great crowds in the glory of that sunset. He loved to tell it afterwards. Divers diseases (poikilai nosoi). See Matthew 4:24 about poikilo meaning many-coloured, variegated. All sorts of sick folk came and were healed.